A group of scientists is sent to the planet Arkanar to help the local civilization, which is in the Medieval phase of its own history, to find the right path to progress. Their task is a difficult one: they cannot … Leonid Yarmolnik, Yuriy Tsurilo, Natalya Moteva, Aleksandr Chutko, Aleksandr Ilin, Evgeniy Gerchakov, Pyotr Merkuryev Added on Amazon Prime 2022-12-10. Youtube Trailer